Should you deadhead marguerites?
Care of marguerite daisies is pretty straightforward. The plants are not plagued by most pests, although the usual suspects such as aphids, mites, and thrips may occasionally assault them. ... To increase the bushiness of this shrubby daisy and promote constant blooming, prune back or “deadhead” any dying flowers.
How do you deadhead Marguerite daisy tree?
Missouri Botanical Garden recommends deadheading marguerite daisies to encourage further blooming after the first flush of flowers in spring and early summer. Deadheading can be done by pinching off the daisy-type flowers with your fingers, or sharp, clean pruning shears can be used as well.